Vial rack



FIG. 1 is a top view of a vial rack, showing the top tray thereof;

FIG. 2 is a top view of the bottom tray of the vial rack;

FIG. 3 is a front side elevation view of the vial rack showing two identical top trays stacked above the bottom tray, wherein the rear side elevation is identical to FIG. 3 ; and,

FIG. 4 is a perspective view of a cross section of the vial rack taken from line 4-4 in FIG. 1 , showing two identical top trays stacked above the bottom tray.

The dash lines, the areas within the dash lines, and the areas bounded by dash lines and solid lines depict portions of the vial rack that form no part of the claimed design. The dot-dash lines depict environmental subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a vial rack, as shown and described. 